:root {
    --color-white: #FFFFFF;
    --color-bg-body: #F9FAFB;
    --color-text-dark: #1F2933;
    --color-text-light: #4B5563;
    --color-green-deep: #245B45;
    --color-green-hover: #1b4534;
    --color-border: #E5E7EB;
    --color-badge-bg: #F3F4F6;
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    color: var(--color-text-dark);
    background-color: var(--color-bg-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 70px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-green-deep);
    text-decoration: none;
}

/* Layout */
.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Advertorial Badge */
.advertorial-badge {
    background-color: var(--color-badge-bg);
    color: #6B7280;
    text-align: center;
    padding: 6px 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    width: 100%;
}

/* Header */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-text-dark);
    display: flex;
    flex-direction: column;
}

.header__tagline {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
}

.header-btn {
    background-color: var(--color-green-deep);
    color: var(--color-white);
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    padding: 8px 16px;
}

.header-btn:hover {
    background-color: var(--color-green-hover);
    color: var(--color-white);
}

/* Article Typography */
.main-content {
    background-color: var(--color-white);
    padding-top: 32px;
    padding-bottom: 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    margin-top: 20px;
    margin-bottom: 40px;
    border-radius: var(--radius-md);
}

.eyebrow {
    color: var(--color-green-deep);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.article h1 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--color-text-dark);
}

.article-meta {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.article-hero-image {
    margin-bottom: 32px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 24px;
    color: var(--color-text-dark);
}

.article p {
    font-size: 1.0625rem;
    margin-bottom: 24px;
    color: #374151;
}

.article h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--color-text-dark);
}

.article ul {
    margin-left: 24px;
    margin-bottom: 24px;
    font-size: 1.0625rem;
    color: #374151;
}

.article ul li {
    margin-bottom: 8px;
}

/* CTA Box */
.cta-box {
    background-color: #F8FAFC;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 20px;
    margin-top: 48px;
    text-align: center;
}

.cta-box h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-box-image {
    margin: 24px 0;
}

.cta-box-image img {
    max-width: 250px;
    margin: 0 auto;
    border-radius: var(--radius-md);
}

.cta-box-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-dark);
    line-height: 1;
    margin-bottom: 4px;
}

.cta-box-note {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.pulse-btn {
    background-color: var(--color-green-deep);
    color: var(--color-white);
    font-size: 1.125rem;
    padding: 16px 32px;
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 6px rgba(36, 91, 69, 0.2);
}

.pulse-btn:hover {
    background-color: var(--color-green-hover);
    color: var(--color-white);
}

.redirect-notice {
    font-size: 0.75rem !important;
    color: var(--color-text-light) !important;
    margin-top: 12px;
    margin-bottom: 0 !important;
}

/* Footer */
.footer {
    background-color: var(--color-text-dark);
    color: rgba(255,255,255,0.7);
    padding: 40px 0;
    font-size: 0.875rem;
}

.footer-logo {
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer p {
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin: 24px 0;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.8125rem;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-disclaimer {
    font-size: 0.75rem;
    margin-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 16px;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    padding: 12px 16px;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 90;
}

.sticky-cta__info h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.2;
}

.sticky-cta__info p {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.sticky-btn {
    background-color: var(--color-green-deep);
    color: var(--color-white);
    font-size: 0.875rem;
    padding: 10px 16px;
}

.sticky-btn:hover {
    background-color: var(--color-green-hover);
    color: var(--color-white);
}

@media (min-width: 768px) {
    .sticky-cta {
        display: none;
    }
    body {
        padding-bottom: 0;
    }
}